John Hancock became the first Governor of Massachusetts after winning 90% of the votes in the Massachusetts Constitution.
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St Katharine Docks opened in Central London, England, and it was one of the largest ports for trade in London in the 19th Century.
The British singer Cliff Richard was knighted by Queen Elizabeth II.
Scientists in India discovered a 152-million-year-old fossil of an extinct marine reptile called the ichthyosaur.
Taylor Swift's third studio album 'Speak Now' was released. It won Billboard's 2011 Album of the Year.
Sid Meier's Civilization IV was made available to PC players in North America.